Why are there so many stock computers on the market

Because computers change quickly. The reason why there are a lot of computers in stock on the market, that is because the computer is very fast, whenever there is a new product on the market, consumers are more willing to buy new computers, which means that the old models of computers will be sold at a reduced price or stored directly in the warehouse as a reserve stock, and ultimately these inventory computer business will contact the manufacturer directly to do the return process.